package com.wt.chat.service;

import com.wt.chat.entity.Group;

import java.util.List;

/**
 * @description
 * @author: wangtao
 * @date:17:46 2019/11/29
 * @email:taow02@jumei.com
 */
public interface GroupService {
	/**
	 * 查询所有
	 * @return
	 */
	List<Group> findAll();
}
